CN215108963U - 液压支架用卸荷阀 - Google Patents
液压支架用卸荷阀 Download PDFInfo
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- CN215108963U CN215108963U CN202121348837.7U CN202121348837U CN215108963U CN 215108963 U CN215108963 U CN 215108963U CN 202121348837 U CN202121348837 U CN 202121348837U CN 215108963 U CN215108963 U CN 215108963U
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CN202121348837.7U CN215108963U (zh) | 2021-06-17 | 2021-06-17 | 液压支架用卸荷阀 |
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CN202121348837.7U CN215108963U (zh) | 2021-06-17 | 2021-06-17 | 液压支架用卸荷阀 |
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CN215108963U true CN215108963U (zh) | 2021-12-10 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220804 Address after: 450016 No. 167, 9th Street, Zhengzhou area (Economic Development Zone), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee after: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Address before: No.167, 9th Street, Zhengzhou Economic Development Zone, Henan Province, 450016 Patentee before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Patentee before: ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |
|
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: No.167, 9th Street, Zhengzhou Economic and Technological Development Zone, Henan Province, 450016 Patentee after: Zhengzhou Hengda Intelligent Control Technology Co.,Ltd. Address before: 450016 No. 167, 9th Street, Zhengzhou area (Economic Development Zone), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |